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Installing a power module
Two types of power modules are supported for your BladeCenter, 2900W power
modules with removable fan pack and 2980W high-efficiency power modules with
integrated fan pack. The IBM 2980-watt power modules for BladeCenter
more efficient than the 2900W power modules, using less power without sacrificing
performance. The 2900W and 2980W high-efficiency power modules are not
interchangeable within the same power domain of the chassis. A power module
configuration is supported only if the two power modules are matched within the
same power domain:
v Power modules 1 and 2 provide power for domain A (blade slots 1 to 7)
v Power modules 3 and 4 provide power for domain B (blade slots 8 to 14)
The following is an example of a supported configuration:
v Domain A: Power Module 1; 2900W, Power Module 2; 2900W
v Domain B: Power Module 3; 2980W, Power Module 4; 2980W
This is an example of a non-supported configuration:
v Domain A: Power Module 1; 2900W, Power Module 2; 2980W
v Domain B: Power Module 3; 2900W, Power Module 4; 2980W
Attention:
power module.
Note: The 2980W high-efficiency power modules are identified by a label on the
2980 W label
28
BladeCenter H Type 8852, 7989, and 1886: Installation and User's Guide
Failed power modules should only be replaced with the same type of
power module handle. Remove the top or bottom bezel as needed to access
the power module handle. 2900W power modules do not have this label.
2980 W High
Efficiency label
®
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